Yamaha YZF-R1 Series Service Manual page 229

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• For the brake line routing confirmation, use the
diagnosis of function of the Yamaha diagnostic
tool.
• Before performing the brake line routing confir-
mation, make sure that no malfunctions have
been detected in the ABS ECU and that the
wheels are not rotating.
1. Place the vehicle on a maintenance stand.
2. Turn the main switch to "OFF".
3. Remove:
• Rider seat
Refer to "GENERAL CHASSIS (1)" on page
4-1.
4. Check:
• Battery voltage
Lower than 12.8 V → Charge or replace the
battery.
Battery voltage
Higher than 12.8 V
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If the battery voltage is lower than 12.8 V, charge
the battery, and then perform brake line routing
confirmation.
5. Removing the protective cap, and then con-
nect the Yamaha diagnostic tool to the
Yamaha diagnostic tool coupler (6P).
Yamaha diagnostic tool USB (US)
90890-03269
Yamaha diagnostic tool (A/I)
90890-03264
TIP
• Yamaha diagnostic tool (A/I) (90890-03264) in-
cludes YDT sub harness (6P) (90890-03266).
• If you already have Yamaha diagnostic tool (A/
I) (90890-03262), YDT sub harness (6P)
(90890-03266) is separately required.
Refer to "YDT" on page 9-2.
ABS (Anti-lock Brake System)
6. Start the Yamaha diagnostic tool and display
the diagnosis of function screen.
7. Select code No. 2, "Brake line routing confir-
mation".
8. Click "Actuator Check", and then operate the
brake lever "1" and brake pedal "2" simulta-
neously.
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• The hydraulic unit operates 1 second after the
brake lever and brake pedal are operated si-
multaneously and continues for approximately
5 seconds.
• The operation of the hydraulic unit can be con-
firmed using the indicator.
On: The hydraulic unit is operating.
Flashing: The conditions for operating the hy-
draulic unit have not been met.
Off: The brake lever and brake pedal are not
being operated.
G088909
9. Check:
• Hydraulic unit operation
Click "Actuator Check", a single pulse will be
generated in the brake lever "1", brake pedal
"2", and again in the brake lever "1", in this or-
der.
G088911
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"ON" and "OFF" on the tool screen indicate
when the brakes are being applied and released
respectively.
4-80
1
2
1
2